I need honest opinions and facts about
JOHN's so called internals
KMD-internal
CP-E-HPFP W/t internal
And any other companies
I'm just scared to purchase crappy one just cause they seem like a good price.

You should buy an access port to get familiar with tuning and monitoring your car. The hpfp is really needed when you start adding exhaust mods. And anything over stage 1. The Cobb AP will also allow you to squeeze power out of your current mods.

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